CN109763650A - A kind of Super High construction method of steel bar truss floor support plate - Google Patents
A kind of Super High construction method of steel bar truss floor support plate Download PDFInfo
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- CN109763650A CN109763650A CN201910042152.0A CN201910042152A CN109763650A CN 109763650 A CN109763650 A CN 109763650A CN 201910042152 A CN201910042152 A CN 201910042152A CN 109763650 A CN109763650 A CN 109763650A
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Abstract
The invention discloses a kind of Super High construction method of steel bar truss floor support plate, realizing the reduction in construction, frame body is set up, the spelling of roof plate template sets, installs, and considerably reduce the workload of live reinforcing bar binding, speed of application is dramatically speeded up, improve construction efficiency, the safety guarantee for increasing site operation, realizes civilized construction；And truss slab muscle firm welding, spacing is uniform, the binding of additional muscle reinforcing bar is convenient, it is easily controlled assembling reinforcement spacing, setting supporting steel bar is not needed, protective layer thickness uniformity above and below reinforcing bar, construction quality can be good at controlling, economic benefits, it is easy to promote and utilize, with the preferable performance for resisting force majeure, steel bar truss floor support plate structure is identical with ordinary reinforced concrete structure, reinforcing bar is wrapped in concrete, with preferable durability and fire resistance, it is not required to set up supporting frame, can multilayer construct simultaneously, upper and lower level continuous laying truss plate or casting concrete, short time limit.
Description
Technical field
The present invention relates to a kind of construction method of steel bar truss floor support plate, specially a kind of Super High steel bar truss floor support plate is applied
Work method, belongs to technical field of building construction.
Background technique
Steel bar truss floor support plate is improved on the basis of die mould floor support plate, and steel bar girder is fixed in backstage processing space
Type processing, can precast length, dried using metal plate welding, silanization, pure manganese phosphatization, washing, the derusting rust-proofings technique skill such as zinc-plated
Art, rust-preventing film winding sealing, site operation needs first to put truss floor support plate to correct position, welding production reinforcing bar, rear to weld
Peg is connect, then places live reinforcing bar and is bound, customs inspection after-pouring concrete, in existing high-rise steel bar truss floor support plate
It in construction method, needs largely to bind reinforcing bar at the scene, workload is very big, causes speed of application slow, construction efficiency
It is low, but also need that supporting steel bar is arranged, cause the binding of additional muscle reinforcing bar difficult, the spacing of assembling reinforcement is not easily controlled.
Summary of the invention
The object of the invention is that providing a kind of Super High steel bar truss floor support plate construction to solve the above-mentioned problems
Method, realizing reduces that frame body is set up, the spelling of roof plate template sets, installs, and considerably reduces the work of live reinforcing bar binding
Amount, has dramatically speeded up speed of application, has improved construction efficiency, increased the safety guarantee of site operation.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of Super High steel bar truss floor support plate construction party
Method, comprising the following steps:
S1 reference line when being laid with truss plate) is being released on girder steel by the initial position of layout design and scheme arrangement, is being pressed
First block of truss plate is installed according to the reference line of releasing and other plates, the rabbet groove that adjacent two blocks of truss plates pass through edges of boards are successively installed
It is attached, truss floor support plate is laid with installation in the horizontal direction, finally handles corner and privileged sites, vertical direction is with main body steel
The sequence of construction of structure, to install the steel bar truss floor support plate of corresponding each floor；
S2) by the vertical reinforcement of truss plate end and bottom galvanized steel plain sheet and steel beam flange firm welding, along truss plate
Length direction is by bottom steel plate and steel beam flange firm welding；
S3 cheek board) is set to by floor structure edge and hole periphery according to design drawing, cheek board is close to girder steel
Flange surfaces draw logical line adjustment, alignment so that the lower part of side steel form and the every 200~300mm of spacing in steel beam flange surface away from
From using lacing wire crotch and the bilateral welding of cheek board after adjusting suitably, by side mode fixation；
S4 hole part) is opened on floor to punch, and adds stiffener on hole periphery by Design Requirement Drawing, and in hole
Side steel form is arranged in mouth surrounding, after floor support plate concrete strength reaches design requirement intensity, cuts off the truss plate in hole
On reinforcing bar and truss board bottom portion steel plate；
S5 it) is provided with stress weld stud on truss plate and steel beam flange, is directly welded on the top surface of steel beam flange
Stress weld stud is welded for non-penetrating steel bar girder board bottom portion's galvanized steel plain sheet, is welded on truss board bottom portion galvanized steel plain sheet
Stress weld stud is welded to penetrate steel bar girder board bottom portion's galvanized steel plain sheet and steel beam flange；
S6 additional muscle) is added on the top of the lower part for the muscle that winds up and lower edge muscle, the floor support plate gap on girder steel, up and down
Additional bar is added, is intersected vertically at girder steel place in floor support plate, the reinforcing bar of the additional stress in scene is anchored into vertical trusses plate；
S7 angle steel supporting element) is set in rectangular pillar corner, setting arc shape is distributed rest in circular posts border, outside
Rest is added in frame overhanging region.
Wherein, setting is fixed with stress weld stud in the truss plate and steel beam flange.
Wherein, the notch geometry of the rabbet groove on the step S1 adjacent truss plate can be complementary to fit together.
Wherein, the welding of the bottom step S2 steel plate and steel beam flange uses manual electric arc welding, forms 25mm long 2mm high weldering
Seam, spacing are 200~300mm.
Wherein, the direction cut is from plate when step S3 cuts off the reinforcing bar and truss board bottom portion's steel plate on the truss plate in hole
It is lower gradually to carry out upwards.
The beneficial effects of the present invention are: reducing in present invention construction, frame body is set up, the spelling of roof plate template sets, installs, and
The workload of live reinforcing bar binding is considerably reduced, speed of application has been dramatically speeded up, has improved construction efficiency, the scene of increasing is applied
The safety guarantee of work, realizes civilized construction；And truss slab muscle firm welding, spacing is uniform, and the binding of additional muscle reinforcing bar is convenient,
It is easily controlled assembling reinforcement spacing, does not need setting supporting steel bar, protective layer thickness uniformity above and below reinforcing bar, construction quality energy
Enough control well, economic benefits are easy to promote and utilize, and steel bar truss floor support plate and steel beam flange use welding of peg,
Truss plate is linked together with girder steel, bearing load, is cooperated, and has the preferable performance for resisting force majeure, steel bar girder
Floor support plate structure is identical with ordinary reinforced concrete structure, and reinforcing bar is wrapped in concrete, has preferable durability and fire resisting
Property, is not required to set up supporting frame, can multilayer construct simultaneously, upper and lower level continuous laying truss plate or casting concrete, short time limit.
Detailed description of the invention
Fig. 1 is operation of the present invention flow chart.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Refering to Figure 1, a kind of Super High construction method of steel bar truss floor support plate, comprising the following steps:
S1 reference line when being laid with truss plate) is being released on girder steel by the initial position of layout design and scheme arrangement, is being pressed
First block of truss plate is installed according to the reference line of releasing and other plates, the rabbet groove that adjacent two blocks of truss plates pass through edges of boards are successively installed
It is attached, truss floor support plate is laid with installation in the horizontal direction, finally handles corner and privileged sites, vertical direction is with main body steel
The sequence of construction of structure, to install the steel bar truss floor support plate of corresponding each floor；
S2) by the vertical reinforcement of truss plate end and bottom galvanized steel plain sheet and steel beam flange firm welding, along truss plate
Length direction is by bottom steel plate and steel beam flange firm welding；
S3 cheek board) is set to by floor structure edge and hole periphery according to design drawing, cheek board is close to girder steel
Flange surfaces draw logical line adjustment, alignment so that the lower part of side steel form and the every 200~300mm of spacing in steel beam flange surface away from
From using lacing wire crotch and the bilateral welding of cheek board after adjusting suitably, by side mode fixation；
S4 hole part) is opened on floor to punch, and adds stiffener on hole periphery by Design Requirement Drawing, and in hole
Side steel form is arranged in mouth surrounding, after floor support plate concrete strength reaches design requirement intensity, cuts off the truss plate in hole
On reinforcing bar and truss board bottom portion steel plate；
S5 it) is provided with stress weld stud on truss plate and steel beam flange, is directly welded on the top surface of steel beam flange
Stress weld stud is welded for non-penetrating steel bar girder board bottom portion's galvanized steel plain sheet, is welded on truss board bottom portion galvanized steel plain sheet
Stress weld stud is welded to penetrate steel bar girder board bottom portion's galvanized steel plain sheet and steel beam flange；
S6 additional muscle) is added on the top of the lower part for the muscle that winds up and lower edge muscle, the floor support plate gap on girder steel, up and down
Additional bar is added, is intersected vertically at girder steel place in floor support plate, the reinforcing bar of the additional stress in scene is anchored into vertical trusses plate；
S7 angle steel supporting element) is set in rectangular pillar corner, setting arc shape is distributed rest in circular posts border, outside
Rest is added in frame overhanging region.
Wherein, setting is fixed with stress weld stud in the truss plate and steel beam flange.
Wherein, the notch geometry of the rabbet groove on the step S1 adjacent truss plate can be complementary to fit together.
Wherein, the welding of the bottom step S2 steel plate and steel beam flange uses manual electric arc welding, forms 25mm long 2mm high weldering
Seam, spacing are 200~300mm.
Wherein, the direction cut is from plate when step S3 cuts off the reinforcing bar and truss board bottom portion's steel plate on the truss plate in hole
It is lower gradually to carry out upwards.
Embodiment:
The following detailed description of the specific implementation of the present embodiment:
(1) truss floor support plate is installed
Before truss plate is laid with, released on girder steel when being laid with truss plate by the initial position of layout design and scheme arrangement
Reference line.The 1st block of truss plate is installed according to the reference line of releasing and other plates are successively installed, adjacent two blocks of truss plates pass through edges of boards
Rabbet groove be attached, installation is laid on truss floor support plate horizontal plane in the horizontal direction, finally handles corner and privileged sites,
The installation of steel bar truss floor support plate is suitable with the construction of main body steel construction in vertical direction from a direction of structural slab to another
Sequence installs the steel bar truss floor support plate of corresponding each floor, and the tongue and groove connection between two blocks of adjacent truss plates should be close, must not
There is gap, also, it is noted that the plate-laying direction of truss plate is consistent, not spillage when guaranteeing casting concrete on it, simultaneously
It need to guarantee that, in the construction stage, without under support, plate body will have enough intensity and amount of deflection for truss plate lower part.
Structure plate face irregularity and less than at a monolith truss plate (floor edge, steel column, girder steel corner, beam face liner
Connecting plate etc.), after planning in advance, monolith steel bar girder plate is cut, is carried out according to floor support plate drawing optimization design
Cutting shifts to an earlier date unwrapping wire on floor support plate, and cutting is using the cutting of mechanical or gas cutting, the vertical reinforcement of support end and the level of support
Reinforcing bar by cutting damage, restore welding it is in place after, laying installation can be carried out, if paving to across floor width at side or ending not
Sufficient 590mm, the length direction by steel bar girder plate along truss plate are cut, and having cut should at least 1~2 Pin on rear spar frame plate
Truss bars, the truss bars on truss plate must not be cut off.
After the installation of steel bar girder plate is in place, the vertical reinforcement of truss plate end and bottom galvanized steel plain sheet and steel beam flange are welded
It connects securely.For length direction along truss plate by bottom steel plate and steel beam flange site welding, welding uses manual electric arc welding, 25mm
Long, 2mm high weld seam, spacing is 200~300mm.
Hole part is opened on floor, the stiffener on hole periphery is added by Design Requirement Drawing, and set in hole surrounding
Side steel form is set, after floor support plate concrete strength reaches design requirement intensity, using machine cuts or electric welding cutting cutting
The reinforcing bar and truss board bottom portion steel plate on truss plate in hole, when cutting, carry out upwards under plate.
(2) cheek board is installed
It is set to floor structure edge and hole periphery according to design drawing, logical line adjustment is drawn, is straightened, under the steel form of side
Every 200~300mm of the spacing distance in portion and steel beam flange surface, spot welding 25mm long, 2mm high weld seam, using lacing wire crotch with
The bilateral welding of cheek board, by side mode fixation.
(3) welding of peg
Stress peg is directly welded on the top surface of steel beam flange, is welded for non-penetrating steel bar girder board bottom portion's galvanized steel plain sheet；
Peg is directly welded on truss board bottom portion galvanized steel plain sheet, is welded to penetrate steel bar girder board bottom portion's galvanized steel plain sheet and steel beam flange
It connects.
(4) additional bar is installed
Truss floor support plate additional bar are as follows: top muscle is 12@195 of Φ, and lower part muscle is 8@195 of Φ；Top additional muscle is located at
It winds up the lower part of muscle, lower part additional muscle is located at the top of lower edge muscle.The floor support plate gap on girder steel must add additional steel up and down
Muscle, top additional bar spacing 195, diameter anchor into 1.6La with the larger bar diameter in connected top, both ends respectively, and lower part is attached
Add bar spacing 98, diameter is with the larger bar diameter in connected lower part, and both ends anchor into 1.2La respectively, in floor support plate at girder steel
It intersects vertically, steel bar stress anchors into vertical trusses plate L/4 (L takes beam side floor support plate span the larger value).
(5) it is reinforced at floor support plate and Column border node
Core Walls Structure position pillar be it is rectangular, exterior frame column is circle, and L75 × angle steel supporting element is arranged in rectangular pillar corner
Q235, circular posts border are arranged arc shape and are distributed rest, and floor support plate can combine closely with circular steel column, seamless, and in outline border
Rest is added in overhanging region.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of Super High construction method of steel bar truss floor support plate, it is characterised in that: method includes the following steps:
S1) initial position by layout design and scheme arrangement is releasing reference line when being laid with truss plate on girder steel, according to putting
Reference line out installs first block of truss plate and successively installs other plates, and adjacent two blocks of truss plates are carried out by the rabbet groove of edges of boards
Connection, truss floor support plate are laid with installation in the horizontal direction, finally handle corner and privileged sites, vertical direction is with main body steel construction
Sequence of construction, to install the steel bar truss floor support plate of corresponding each floor；
S2) by the vertical reinforcement of truss plate end and bottom galvanized steel plain sheet and steel beam flange firm welding, along the length of truss plate
Direction is by bottom steel plate and steel beam flange firm welding；
S3 cheek board) is set to by floor structure edge and hole periphery according to design drawing, cheek board is close to steel beam flange
Logical line adjustment, alignment are drawn in surface, so that every 200~300mm of the spacing distance in the lower part of side steel form and steel beam flange surface, is adjusted
Using lacing wire crotch and the bilateral welding of cheek board after section is appropriate, by side mode fixation；
S4 hole part) is opened on floor to punch, and adds stiffener on hole periphery by Design Requirement Drawing, and at hole four
Week setting side steel form is cut off on the truss plate in hole after floor support plate concrete strength reaches design requirement intensity
Reinforcing bar and truss board bottom portion steel plate；
S5 stress weld stud, the stress being directly welded on the top surface of steel beam flange) are provided on truss plate and steel beam flange
Weld stud is welded, the stress being welded on truss board bottom portion galvanized steel plain sheet for non-penetrating steel bar girder board bottom portion's galvanized steel plain sheet
Weld stud is welded to penetrate steel bar girder board bottom portion's galvanized steel plain sheet and steel beam flange；
S6 additional muscle) is added on the top of the lower part for the muscle that winds up and lower edge muscle, the floor support plate gap on girder steel adds up and down
Additional bar intersects vertically place in floor support plate at girder steel, and the reinforcing bar of the additional stress in scene is anchored into vertical trusses plate；
S7 angle steel supporting element) is set in rectangular pillar corner, setting arc shape is distributed rest in circular posts border, outstanding in outline border
It chooses region and adds rest.
2. a kind of Super High construction method of steel bar truss floor support plate according to claim 1, it is characterised in that: the truss
Setting is fixed with stress weld stud on plate and steel beam flange.
3. a kind of Super High construction method of steel bar truss floor support plate according to claim 1, it is characterised in that: the step
The notch geometry of rabbet groove on S1 adjacent truss plate can be complementary to fit together.
4. a kind of Super High construction method of steel bar truss floor support plate according to claim 2, it is characterised in that: the step
The welding of the bottom S2 steel plate and steel beam flange use manual electric arc welding, formed 25mm long 2mm high weld seam, spacing be 200~
300mm。
5. a kind of Super High construction method of steel bar truss floor support plate according to claim 2, it is characterised in that: the step
When reinforcing bar and truss board bottom portion's steel plate on the truss plate in step S3 cutting hole the direction cut under plate upwards gradually into
Row.
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Cited By (6)
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| CN110258886A (en) * | 2019-07-02 | 2019-09-20 | 长沙而道新能源科技有限公司 | A kind of construction method of steel bar truss floor support plate |
| CN111794428A (en) * | 2020-07-27 | 2020-10-20 | 南京耀丰新材料科技有限公司 | Large-span steel bar truss floor bearing plate for high-rise building and production process thereof |
| CN112922208A (en) * | 2021-03-30 | 2021-06-08 | 中建市政工程有限公司 | Construction method of steel bar truss floor support plate |
| CN113530243A (en) * | 2021-08-10 | 2021-10-22 | 山西广业建设工程有限公司 | High-earthquake-resistance quick-installation steel structure floor bearing plate concrete multilayer synchronous pouring construction method |
| CN114233008A (en) * | 2021-12-07 | 2022-03-25 | 宁波领辰构件有限公司 | Construction method of steel bar truss floor support plate |
| CN115075284A (en) * | 2022-06-28 | 2022-09-20 | 中国二十二冶集团有限公司 | Non-split heads construction method for adding waterproof plate reinforcing steel bars to independent column bases in frame structure foundation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113530243A (en) * | 2021-08-10 | 2021-10-22 | 山西广业建设工程有限公司 | High-earthquake-resistance quick-installation steel structure floor bearing plate concrete multilayer synchronous pouring construction method |
| CN113530243B (en) * | 2021-08-10 | 2022-11-11 | 山西广业建设工程有限公司 | High-earthquake-resistance quick-installation steel structure floor bearing plate concrete multilayer synchronous pouring construction method |
| CN114233008A (en) * | 2021-12-07 | 2022-03-25 | 宁波领辰构件有限公司 | Construction method of steel bar truss floor support plate |
| CN115075284A (en) * | 2022-06-28 | 2022-09-20 | 中国二十二冶集团有限公司 | Non-split heads construction method for adding waterproof plate reinforcing steel bars to independent column bases in frame structure foundation |
| CN115075284B (en) * | 2022-06-28 | 2023-07-07 | 中国二十二冶集团有限公司 | No-split heads construction method for adding waterproof plate steel bars to independent column bases in frame structure foundation |
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Application publication date: 20190517 |